Siklos

Product NDC
71770-120
11-digit product format
717700120
Labeler code
71770
Product ID
71770-120_47d0b61d-ad65-d2e0-e063-6294a90afe50
Type
HUMAN PRESCRIPTION DRUG
Nonproprietary name
hydroxyurea
Dosage form
TABLET, FILM COATED
Route
ORAL
Labeler
Medunik
Application
NDA208843
Marketing category
NDA
Marketing start
2018-04-15
Substance
HYDROXYUREA
Active strength
1000 mg/1
Pharmacologic classes
Antimetabolite [EPC], Urea [CS]
NDC exclude flag
No
Listing certified through
2027-12-31
Current FDA listing
Yes

Source provenance: Browse the complete Orange Book source catalog · source snapshot 42.

Orange Book products#

Current product rows page 1 of 1 · 2 matching rows.

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
N208843-001SIKLOSHYDROXYUREA100MGTABLET / ORALRLD2017-12-21
N208843-002SIKLOSHYDROXYUREA1GMTABLET / ORALRLD, RS2017-12-21

Observed Orange Book product history#

Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.

Product history page 1 of 3 · 84 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-08-18 06:07:402026-07N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21caaa826d4ba7…
2026-08-18 06:07:402026-07N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21caaa826d4ba7…
2026-02-19 14:30 UTC2026-02N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21011fe1cb6892…
2026-02-19 14:30 UTC2026-02N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-2131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-2131067a03dcf5…
2025-08-23 18:47 UTC2025-08N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-216a471c1ec25d…
2025-08-23 18:47 UTC2025-08N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-216a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-2103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-2103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-212680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-212680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-215bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-215bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21d8e5a09893c0…
2024-10-29 15:01 UTC2024-10N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21d06236e962d9…
2024-10-29 15:01 UTC2024-10N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-2179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-2179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-211e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-211e350fbaab3a…
2024-05-31 18:47 UTC2024-05N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-218072bd15b7f6…
2024-05-31 18:47 UTC2024-05N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-218072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-215c6f7cd8ea54…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-215c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-215d02ea3f76ae…
2022-04-08 23:34 UTC2022-04N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-215d02ea3f76ae…
2022-04-04 05:41 UTC2022-04N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-214b0b4de00fa7…
2022-04-04 05:41 UTC2022-04N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-214b0b4de00fa7…
2019-12-13 00:20 UTC2019-12N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-2174a2ff9319b5…
2019-12-13 00:20 UTC2019-12N208843-002SIKLOS1GMTABLET / ORALRLD2017-12-2174a2ff9319b5…
2022-03-09 01:35 UTC2022-03N208843-001SIKLOS100MGTABLET / ORALRLD2017-12-21bb7c543d1eb4…
2022-03-09 01:35 UTC2022-03N208843-002SIKLOS1GMTABLET / ORALRLD, RS2017-12-21bb7c543d1eb4…

Observed Orange Book exclusivity history#

Exclusivity history page 1 of 3 · 82 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productExclusivity codeExpirationSource SHA-256
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N208843-001ODE-1772024-12-2103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01N208843-002ODE-1772024-12-2103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N208843-001ODE-1772024-12-212680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12N208843-002ODE-1772024-12-212680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N208843-001ODE-1772024-12-215bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09N208843-002ODE-1772024-12-215bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N208843-001ODE-1772024-12-21d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11N208843-002ODE-1772024-12-21d8e5a09893c0…
2024-10-29 15:01 UTC2024-10N208843-001ODE-1772024-12-21d06236e962d9…
2024-10-29 15:01 UTC2024-10N208843-002ODE-1772024-12-21d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N208843-001ODE-1772024-12-2179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08N208843-002ODE-1772024-12-2179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N208843-001ODE-1772024-12-21301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07N208843-002ODE-1772024-12-21301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N208843-001ODE-1772024-12-211e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06N208843-002ODE-1772024-12-211e350fbaab3a…
2024-05-31 18:47 UTC2024-05N208843-001ODE-1772024-12-218072bd15b7f6…
2024-05-31 18:47 UTC2024-05N208843-002ODE-1772024-12-218072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N208843-001ODE-1772024-12-215c6f7cd8ea54…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06N208843-002ODE-1772024-12-215c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04N208843-001ODE-1772024-12-215d02ea3f76ae…
2022-04-08 23:34 UTC2022-04N208843-002ODE-1772024-12-215d02ea3f76ae…
2022-04-04 05:41 UTC2022-04N208843-001ODE-1772024-12-214b0b4de00fa7…
2022-04-04 05:41 UTC2022-04N208843-002ODE-1772024-12-214b0b4de00fa7…
2019-12-13 00:20 UTC2019-12N208843-001NP2020-12-2174a2ff9319b5…
2019-12-13 00:20 UTC2019-12N208843-001ODE-1772024-12-2174a2ff9319b5…
2019-12-13 00:20 UTC2019-12N208843-002NP2020-12-2174a2ff9319b5…
2019-12-13 00:20 UTC2019-12N208843-002ODE-1772024-12-2174a2ff9319b5…
2022-03-09 01:35 UTC2022-03N208843-001ODE-1772024-12-21bb7c543d1eb4…
2022-03-09 01:35 UTC2022-03N208843-002ODE-1772024-12-21bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12N208843-001ODE-1772024-12-21782e0a99824c…
2021-12-28 21:50 UTC2021-12N208843-002ODE-1772024-12-21782e0a99824c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05N208843-001ODE-1772024-12-2187673890dc5c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05N208843-002ODE-1772024-12-2187673890dc5c…
2021-03-12 10:30 UTC2021-03N208843-001ODE-1772024-12-215aa47cf7b7d7…
2021-03-12 10:30 UTC2021-03N208843-002ODE-1772024-12-215aa47cf7b7d7…
2020-12-22 03:56 UTC2020-12N208843-001NP2020-12-218869cabd3fbd…
2020-12-22 03:56 UTC2020-12N208843-001ODE-1772024-12-218869cabd3fbd…
2020-12-22 03:56 UTC2020-12N208843-002NP2020-12-218869cabd3fbd…
2020-12-22 03:56 UTC2020-12N208843-002ODE-1772024-12-218869cabd3fbd…

Additional Listing Data#

Finished product
Yes
Brand name base
Siklos
Listing expiration
2027-12-31

Active Ingredients#

Ingredient, Strength table
IngredientStrength
HYDROXYUREA1000 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
X6Q56QN5QCInternal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 4 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
283475Internal RxNorm lookup
1999308Internal RxNorm lookup
1999314Internal RxNorm lookup
1999316Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
76957c0d-0f98-4376-bb06-eee651adc09dAvailable on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
9be3ebe6-89e5-4e2f-8781-a389e7eb49e7Product name120250129
f76fb619-09b6-d149-3287-3661f7bc38cdProduct name320250124
62a0eedf-9497-47af-bccf-d51b8b15b067Product name120180307

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
71770-120-30Siklos30 in 1 BOTTLETABLET, FILM COATED3013
71770-120-30Siklos1 in 1 CARTONTABLET, FILM COATED113

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
71770-120-30EA - Each71770-1206ed4c0fc-6395-49e0-bb65-b511c85a2d3912018-12-13

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
71770-120SIKLOS (HYDROXYUREA) TABLET, FILM COATED [MEDUNIK]12Current NDC, Legacy NDC, 2 package rows20250207_76957c0d-0f98-4376-bb06-eee651adc09d.zip

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
SiklosHYDROXYUREAMedunik76957c0d-0f98-4376-bb06-eee651adc09d2026-01-07Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (NDA): 208843
application number: NDA208843
ndc (product): 71770-120

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYDailyMedSPL version
1999308hydroxyurea 100 MG Oral TabletPSN76957c0d-0f98-4376-bb06-eee651adc09d13
283475hydroxyurea 1000 MG Oral TabletPSN76957c0d-0f98-4376-bb06-eee651adc09d13
1999314Siklos 100 MG Oral TabletPSN76957c0d-0f98-4376-bb06-eee651adc09d13
1999316Siklos 1000 MG Oral TabletPSN76957c0d-0f98-4376-bb06-eee651adc09d13
1999314hydroxyurea 100 MG Oral Tablet [Siklos]SBD76957c0d-0f98-4376-bb06-eee651adc09d13
1999316hydroxyurea 1000 MG Oral Tablet [Siklos]SBD76957c0d-0f98-4376-bb06-eee651adc09d13
1999308hydroxyurea 100 MG Oral TabletSCD76957c0d-0f98-4376-bb06-eee651adc09d13
283475hydroxyurea 1000 MG Oral TabletSCD76957c0d-0f98-4376-bb06-eee651adc09d13
1999314Siklos 100 MG Oral TabletSY76957c0d-0f98-4376-bb06-eee651adc09d13
1999316Siklos 1000 MG Oral TabletSY76957c0d-0f98-4376-bb06-eee651adc09d13

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionUnitsMarketing startMarketing endSampleExclude flagStatus
71770-120-30717700120301 BOTTLE in 1 CARTON (71770-120-30) / 30 TABLET, FILM COATED in 1 BOTTLE1 bottle2018-04-150000-00-00NoNoCurrent